import os
import json
import re

class Template:
    def __init__(self, name: str) -> None:
        self.__name = name
        self.__path = "templates/" + name + ".json"
        self.__template = json.load(open(self.__path))
        
    def __str__(self) -> str:
        return json.dumps(self.__template)
    
    def replace_placeholders(self, data: dict) -> dict:
        """Return the template as a dictionary with placeholders replaced."""
        template_str = json.dumps(self.__template)
        
        for key, value in data.items():
            template_str = template_str.replace(f'{{{{{key}}}}}', str(value))
        
        return json.loads(template_str)
    
    def render(self, data: dict) -> str:
        """Return the template as a JSON string with placeholders replaced."""
        return json.dumps(self.replace_placeholders(data))